按照指定的格式解析字节数组

//按照指定的格式解析字节数组
    class Program
    {
        static void Main(string[] args)
        {
            //格式要求：第1个字节：表示数据类型；第2个字节：表示终端编号长度；第5个字节：表示车辆编号长度
            byte[] recBuffer = new byte[8] { 0x01,    0x02, 0x62, 0x63,    0x03, 0x64, 0x65, 0x66 };
            MemoryStream stream = new MemoryStream(recBuffer);
            int value = stream.ReadByte();
            if (value != -1)
            {
                Type1 type1 = (Type1)value;
                value = stream.ReadByte();
                if (value != -1)
                {
                    byte terminalCodeLength = (byte)value;
                    byte[] terminalCodeBytes = new byte[terminalCodeLength];
                    value = stream.Read(terminalCodeBytes, 0, terminalCodeLength);
                    string terminalCode = Encoding.UTF8.GetString(terminalCodeBytes);                   
                    if (value != -1)
                    {
                        value = stream.ReadByte();
                        byte carCodeLength = (byte)value;
                        byte[] carCodeBytes = new byte[carCodeLength];
                        value = stream.Read(carCodeBytes, 0, carCodeLength);
                        string carCode = Encoding.UTF8.GetString(carCodeBytes);

                        ClassA classA = new ClassA(type1, terminalCode, carCode);
                    }
                }
            }
            stream.Close();
            stream.Dispose();
        }
    }

    public enum Type1 : byte
    {
        GPS = 0x01,
        CAN = 0x02,
        Data = 0x03
    }

    public class ClassA
    {
        public ClassA() { }

        public ClassA(Type1 type, string terminalCode, string carCode)
        {
            this.Type = type;
            this.TerminalCode = terminalCode;
            this.CarCode = carCode;
        }

        public Type1 Type { get; set; }

        public string TerminalCode { get; set; }

        public string CarCode { get; set; }
    }